Bulletin No. 3110PD9601
December 1996
Lexington, KY, USA
Product Data Bulletin
NEMA Type 4X Safety Switches
in Fiberglass-Reinforced Polyester Enclosures
Class 3110
Square D offers a line of watertight, corrosion-resistant NEMA Type 4X safety
switches in fiberglass-reinforced polyester enclosures. These versatile switches
feature:
INTRODUCTION
• Corrosion-resistant enclosure materials
• Suitability for use in harsh environments, such as:
— Food processing plants
— Textile mills
— Pulp and paper mills
— Chemical plants
— Petroleum facilities
— Water treatment or sewage treatment plants
•
•
•
•
•
Mounting feet molded as part of the enclosure for quick and rigid mounting
One-piece enclosure construction for additional strength
Seamless, non-exposed gasket for greater sealing integrity
Stainless steel door hinge for added durability
Hubs included
The NEMA Type 4X line, identified by “DF” in catalog numbers, is available in 30
to 200 A, 600 V fusible or not fusible switches. The line includes 200 A switches in
non-metallic enclosures. This bulletin contains specifications and application data
for NEMA Type 4X switches. For more information, contact your local sales
representative.
SPECIFICATIONS
Fiberglass-reinforced polyester enclosures are watertight, corrosion resistant, and
impervious to windblown dust, rain, and splashing liquid. The molded fiberglass
is extremely stable in a wide range of operating temperatures, and can withstand
heavy impact. Switches are furnished with two PVC coated conduit hubs and
equipment grounding lugs. The 30 to 100 A switches are suitable for use as service
equipment. NEMA Type 4X switches are UL Listed and CSA certified.
Table 1: 3-Pole, 600 Vac, 600 Vdc Switches and Ratings
Catalog Numbers
System
Amperage
Horsepower Ratings
Electrical Interlock Kits
Field Installable
480 Vac—3Ø
600 Vac—3Ø
600 Vdc
Safety
Switch
Class R
Fuse Kits
Neutral
Kits
30
H361DF
RFK06
H60SN [1]
9999-TC10
9999-TC20
60
H362DF
RFK06H
H60SN [1]
9999-TC10
9999-TC20
100
H363DF
RFK10
SN0610 [2]
9999-TC10
9999-TC20
200
H364DF
HRK1020
—
9999-R8
9999-R9
30
HU361DF
—
H60SN [1]
9999-TC10
9999-TC20
—
20
—
30
15
60
HU362DF
—
H60SN [1]
9999-TC10
9999-TC20
—
50
—
60
30
100
HU363DF
—
SN0610 [2]
9999-TC10
9999-TC20
—
75
—
75
50
200
HU364DF
—
—
9999-R8
9999-R9
—
125
—
150
50
1 NO / 1 NC
Contact
2 NO / 2 NC
Contacts
Std.
Max.
Std.
Max.
Max.
5
15
7.5
20
15
15
30
15
50
30
25
60
30
75
50
50
125
60
150
50
Fusible
Not Fusible
[1]
Use CH60SN in Canada.
[2]
Use CSN0610 in Canada.
© 1996 Square D All Rights Reserved
1
NEMA Type 4X Safety Switches
in Fiberglass-Reinforced Polyester Enclosures
Bulletin No. 3110PD9601
December 1996
DIMENSIONS
D/H
D
W
M/W
H
M/H
Figure 1: Fiberglass-Reinforced Polyester Enclosure (see Table 2)
Table 2: Enclosure Dimensions and Weights
H
Catalog
No.
Series
H361DF
H362DF
W
D
M/W
M/H
D/H
Mounting Holes
Weight
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
lb
kg
F1
16.5
419
11
279
8.8
222
7
178
17.5
445
10.25
260
0.5
13
21
10
F1
16.5
419
11
279
8.8
222
7
178
17.5
445
10.25
260
0.5
13
23
10
H363DF
F1
24.8
630
13.7
348
12
305
6.3
159
25.8
654
13.25
337
0.5
13
41
19
H364DF
E1
31.3
795
26.3
668
11.8
298
18.5
470
32.3
819
13.2
335
0.5
13
89
40
HU361DF
F1
16.5
419
11
279
8.8
222
7
178
17.5
445
10.25
260
0.5
13
21
10
HU362DF
F1
16.5
419
11
279
8.8
222
7
178
17.5
445
10.25
260
0.5
13
22
10
HU363DF
F1
24.8
630
13.7
348
12
305
6.3
159
25.8
654
13.25
337
0.5
13
40
18
HU364DF
E1
31.3
795
26.3
668
11.8
298
18.5
490
32.3
819
13.2
335
0.5
13
89
40
Table 3: Conduit Hub Dimensions
Enclosure
E
Hub Locknut
and Grounding
Bushing
Hub
Figure 2: Conduit Hub (see Table 3)
2
Switch
Catalog No.
Conduit Hub No. Conduit Hub Size
(2 each included)
in.
mm
Enclosure Hole
Size (E)
in.
mm
H361DF
STG2
0.75
19
1.13
28
H362DF
STG4
1.25
32
1.75
44
H363DF
STG6
2
51
2.5
64
H364DF
STG7
2.5
64
3
76
HU361DF
STG2
0.75
19
1.13
28
HU362DF
STG4
1.25
32
1.75
44
HU363DF
STG6
2
51
2.5
64
HU364DF
STG7
2.5
64
3
76
© 1996 Square D All Rights Reserved
Bulletin No. 3110PD9601
December 1996
NEMA Type 4X Safety Switches
in Fiberglass-Reinforced Polyester Enclosures
Table 4 lists recommendations from Square D for NEMA Type 4X safety switch
resistance to various chemical agents. These recommendations are based on ASTM
test method D 543, “Resistance of Plastics to Chemical Reagent.”
CHEMICAL
RESISTANCE DATA
Test results are usually obtained by immersing a specimen in a given reagent until
some physical change is detected. Changes in surface hardness, color, flexural
strength, tensile strength, and elongation are all considered in evaluating chemical
attack. Often test results are accelerated through immersion at elevated
temperatures.
Sources of information include vendor-supplied data, publications such as “The
Plastics Encyclopedia,” and independent laboratory tests. Laboratory data
generated under artificial accelerated conditions may not relate well to
“real-world” conditions. For this reason, our published information is quite
conservative. Contact your local sales representative to review data generated for
your specific application.
Table 4: Chemical Resistance Data
Chemical
Square D
Recommendation
Chemical
Square D
Recommendation
Chemical
Square D
Recommendation
Acetaldehyde
S
Ferric Chloride
S
Potassium Carbonate
M
Acetic Acid
S
Ferric Nitrate
S
Potassium Chromate
S
Acetone
L
Ferric Sulfate
S
Potassium Hydroxide
L
Alcohols
S
Fluorine
U
Potassium Permangan
M
Aluminum Chloride
S
Formaldehyde
S
Potassium Sulfate
S
Aluminum Sulfate
S
Formic Acid
S
Sea Water
S
Ammonia Gas
S
Gasoline
S
Silver Nitrate
S
Ammonium Hydroxide
L
Glycerine
S
Sodium Bisulfate
S
Ammonium Nitrate
S
Hydrochloric Acid (100)
M
Sodium Carbonate
M
Ammonium Sulfate
S
Hydrocyanic Acid
U
Sodium Chloride
S
Aniline
U
Hydrofluoric Acid (200)
U
Sodium Hydroxide (50/0)
M
Benzene
S
Hydrogen Peroxide
M
Sodium Hypochlorite
L
Boric Acid
S
Hydrogen Sulfide
S
Sodium Nitrate
S
Bromine
L
Hypochlorous Acid
S
Sodium Phosphate
S
Butyl Acetate
L
Kerosene
S
Sodium Sulfate
S
Butyric Acid
S
Lacquer
M
Sodium Sulfite
S
Calcium Chloride
S
Lactic Acid
S
Sugar Liquor
S
Calcium Hydroxide
S
Lime
M
Sulfur
S
Calcium Hypochlorite
M
Lubricating Oils
S
Sulfuric Acid (490/0)
S
Carbolic Acid
S
Magnesium Salts
S
Sulfurous Acid
S
Carbonic Acid
S
Methyl Ethyl Ketone
L
Sulfur Dioxide
S
Carbon Disulfide
L
Milk
S
Tannic Acid
S
Carbon Tetrachloride
M
Mineral Oil
S
Tartaric Acid
S
Chlorine (wet)
L
Nickel Salts
S
Toluene
M
Chlorine (dry)
S
Nitric Acid (100/0)
M
Trichloroethylene
U
Chlorobenzene
S
Nitro Benzene
L
Trisodium Phosphate
M
Chloroform
U
Oleic Acid
S
Turpentine
M
Chromic Acid
S
Oxalic Acid
S
Vegetable Oils
S
Citric Acid
S
Perchloroethylene
M
Vinegar
S
Copper Sulfate
S
Perchloric Acid
U
Water, Industrial
S
Creosote
L
Phenol
L
Water, Tap
S
Diethyl Ether
S
Phosphoric Acid (250/0)
S
Water, Rain
S
Ethyl Acetate
L
Picric Acid
S
Zinc Acetate
S
Ethylene Dichloride
L
Potassium Alum
S
Zinc Chloride
S
Ethylene Glycol
S
Potassium Bicarbonate
S
Zinc Sulfate
S
Key: S—Superior resistance; M—Moderate resistance; L—Limited resistance; U—Unsatisfactory resistance
© 1996 Square D All Rights Reserved
3
NEMA Type 4X Safety Switches in Fiberglass-Reinforced Polyester Enclosures
Product Data Bulletin
SQUARE D COMPANY
REGISTERED TO ISO 9001
CERTIFICATE NO. A2030
Square D and
Bulletin No. 3110PD9601
December 1996
Square D safety switches are manufactured in a facility that is Quality Systems
Registered by Underwriters Laboratories to ISO 9001.
are registered trademarks of Square D Company.
© 1996 Square D All Rights Reserved. This bulletin may not be copied in whole or in part, or
transferred to any other media, without the written permission of Square D.
Electrical equipment should be serviced only by qualified electrical maintenance personnel. No
responsibility is assumed by Square D for any consequences arising out of the use of this material.
Square D
1601 Mercer Road
Lexington, KY 40511 USA
Bulletin No. 3110PD9601
FP 5M 12/96
Printed in USA